Abigail

Mathematics

11 October, 09:29

Jakob simplified the expression as shown.

(6.7 x minus 3) minus (3.4 x minus 1) minus (2 x minus 2)

6.7 x minus 3 minus 3.4 x minus 1 minus 2 x minus 2

(6.7 x minus 3.4 x minus 2 x) + (negative 3 minus 1 minus 2)

1.3 x minus 6

What was Jakob's error in subtracting the expressions?

He used the commutative property incorrectly.

He used the distributive property incorrectly.

He used the associative property incorrectly.

He simplified the x coefficients incorrectly.